Question: Conic Sections Equations The Joker destroyed the Batsignal on top of the Gotham City police department, so Batman had to buy a new one. If

Conic Sections Equations The Joker destroyed the Batsignal on top of the Gotham City police department, so Batman had to buy a new one. If the new Batsignal is 50in diameter and the reflector is 21" in depth, where is the focus of the parabola located so Robin can properly place the bulb ? Edit Format Table

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